From: Michael D. Lowis <mike@mdlowis.com>
Date: Fri, 1 Aug 2014 02:21:34 +0000 (-0400)
Subject: Added function for getting the number of references to an object
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=c8b5b8b5e4798d867acae0fc246d61a7c72cefbb;p=projs%2Flibcds.git

Added function for getting the number of references to an object
---

diff --git a/source/mem/mem.c b/source/mem/mem.c
index 1977a7a..c2eb7e6 100644
--- a/source/mem/mem.c
+++ b/source/mem/mem.c
@@ -38,6 +38,12 @@ void mem_release(void* p_obj)
     }
 }
 
+int mem_num_references(void* p_obj)
+{
+    obj_t* p_hdr = (((obj_t*)p_obj)-1);
+    return p_hdr->refcount;
+}
+
 void mem_autorelease(void* p_obj)
 {
     (void)p_obj;
diff --git a/source/mem/mem.h b/source/mem/mem.h
index fae9c32..80534ab 100644
--- a/source/mem/mem.h
+++ b/source/mem/mem.h
@@ -28,6 +28,15 @@ typedef void (*destructor_t)(void* p_val);
  */
 void* mem_allocate(size_t size, destructor_t p_destruct_fn);
 
+/**
+ * @brief Returns the reference count for the given object.
+ *
+ * @param p_obj The object whose reference count should be returned.
+ *
+ * @return Number of references.
+ */
+int mem_num_references(void* p_obj);
+
 /**
  * @brief Increments the reference count for the given object.
  *